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Scientists design ultra-efficient energy storage system using pebbles — here's how it works
The scientists behind the pebble storage system are still facing challenges, including the additional electricity required to power it. "Even if axial packed-beds are inherently cheap, as they may ...
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Engineers develop ultra-efficient electricity storage method using piles of rocks — here's how it works
Sandia's prototype had an efficiency rate of 85-90% on initial tests, which was slightly lower than another promising pebble storage system created by researchers in Sweden. However, they believe ...